The username of your account to authenticate to KlickTipp.
The password of your account to authenticate to KlickTipp.
The name of the tag you want to add within KlickTipp.
Additional information about the tag.
(String) Register a custom WordPress hook callback. The value will be called as followed: do_action( $yourdefinedaction, $action_return_data, $request_data )
More available KlickTipp endpoints
To learn more about a specific endpoint, simply click on it.